1. Department of Geographical & Sustainability Sciences, University of Iowa
2. Botanical Museum, University of Oulu
3. Ecological Sciences Group, James Hutton Institute
4. Unidad Mixta de Investigación en Biodiversidad, Universidad de Oviedo
5. Research & Collections Center, Illinois State Museum
6. Department of Chemical Sciences, Life and Environmental Sustainability, Università di Parma
7. Department of Forest and Rangeland Stewardship, Colorado State University
8. Institut für Geographie und Geoökologie, Karlsruher Institut für Technologie
9. Department of Biology, Minnesota State University
10. Snowline Ecological Consulting